Manufacture op potable water from sea water

ABSTRACT

POTABLE WATER IS MANUFACTURED FROM SEA WATER BY PASSING IT SERIALLY THROUGH TWO REVERSE OSMOSIS UNITS. THE PRODUCT OF THE FIRST UNIT IS OF SUFFICIENT PURITY AND UNDER SUFFICIENT PRESSURE AS THE RESULT OF THE FIRST UNIT PRESSURIZATION TO ENABLE THE SECOND UNIT TO BE OPERATED WITHOUT REPRESSURIZATION. POTABLE WATER IS MANUFACTURED FROM SEA WATER BY PASSING IT SERIALLY THROUGH TWO REVERSE OSMOSIS UNITS. THE PRODUCTS OF THE FIRST UNIT IS OF SUFFICIENT PURITY AND UNDER SUFFICIENT PRESSURE AS THE RESULT OF THE FIRST UNIT PRESSURIZATION TO ENABLE THE SECOND UNIT TO BE OPERATED WITHOUT REPRESSURIZATION.

DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at therequest of the applicant or owner in accordance with the Notice of Dec.16, 1969, 869 O.G. 687. The abstracts of Defensive Publicationapplications are identified by distinctly numbered series and arearranged chronologically. The heading of each abstract indicates thenumber of pages of specification, including claims and sheets ofdrawings contained in the application as originally filed. The files ofthese applications are available to the public to: inspection andreproduction may be purchased for 30 cents a sheet.

Defensive Publication applications have not been examined as to themerits or alleged invention. The Patent Oflice makes no assertion as tothe novelty of the disclosed subject matter.

PUBLISHED APRIL 2, 1974:

'EED WM; SEMIPEHMEABLE "I STREAM-i- --b V -P' STREAM m umr ourSEMIFERMEABLE MEMBRANE CDNCDITRTE STREAM 1- Potable water ismanufactured from sea water by passing it serially through two reverseosmosis units. The product of the first unit is of suificient purity andunder sufficient pressure as the result of the first unit pressurizationto enable the second unit to be operated without repressurization.

Ai i 2, 1974 R. G. DEVANEY Filed Oct. 19, 1972

